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Gentile P, Alves R, Cole JP, Andjelkov K, Van Helmelryck T, Fernandez J, Trivisonno A, Guillaume L, Verpaele A, Tonnard P, Magalon J, Magalon G, Menkes S. AIRMESS - Academy of International Regenerative Medicine & Surgery Societies: recommendations in the use of platelet-rich plasma (PRP), autologous stem cell-based therapy (ASC-BT) in androgenetic alopecia and wound healing. Expert Opin Biol Ther 2021; 21:1443-1449. [PMID: 33769906 DOI: 10.1080/14712598.2021.1908995] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Many investigations showed that platelet-rich plasma (PRP), human follicles stem cells (HFSCs), and adipose-derived stem cells (ASCs), considered autologous stem cell-based therapy (ASC-BT), are effective for hair regrowth (HR) in patients affected by androgenetic alopecia and for wound healing (WH). The aim of this article is to analyze the in vitro and in vivo impact of different PRP, HFSCs, and ASCs preparation methods on HR and in WH. AREAS COVERED The analyzed data intended to clarify the molecular mechanism in which PRP, HFSCs, and ASCs are involved, the clinical use and related indications, fully respecting the European rules. Comparative studies between different systems of PRP, HFSCs, and ASCs preparation revealed differences in terms of HR and WH. EXPERT OPINION Despite a lack of standardized protocols, there is convincing evidence with objective measurement modalities that display positive outcomes of ASC-BT in HR and WH.
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Affiliation(s)
- Pietro Gentile
- Plastic and Reconstructive Surgery, Surgical Science Department, University of Rome "Tor Vergata", Rome, Italy.,Scientific Director of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
| | - Rubina Alves
- Dermatology Department, Hospital Central Do Funchal, Funchal, Portugal.,Treasurer of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
| | - John P Cole
- Cole Hair Transplant Group, Alpharetta, GA, USA.,Vice President of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
| | - Katarina Andjelkov
- Research Associate, Faculty of Medicine, University of Belgrade, Belgrade, Serbia.,Secretary of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
| | | | - Jonathan Fernandez
- Plastic-Reconstructive and Hand Surgery Unit, University Hospital of Nice, Nice, France
| | - Angelo Trivisonno
- Department of Surgical Science, University of Rome "La Sapienza", Rome, Italy
| | | | - Alexis Verpaele
- Plastic Surgery Unit, Coupure Center for Plastic Surgery, Ghent, Belgium
| | - Patrick Tonnard
- Founder of Coupure Center for Plastic Surgery, Ghent, Belgium
| | - Jeremy Magalon
- Aix Marseille University, INSERM, INRAE, C2VN, Marseille, France
| | - Guy Magalon
- Plastic Surgeon, Plastic Surgery Department, Assistance Publique Hôpitaux De Marseille (APHM), Aix Marseille University, Marseille, France.,Honorary President of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
| | - Sophie Menkes
- Forever Institute, Geneva, Switzerland.,President of AIRMESS, Academy of International Regenerative Medicine & Surgery Societies, Geneva, Switzerland
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Halley-Stott RP, Adeola HA, Khumalo NP. Destruction of the stem cell Niche, Pathogenesis and Promising Treatment Targets for Primary Scarring Alopecias. Stem Cell Rev Rep 2020; 16:1105-1120. [PMID: 32789558 DOI: 10.1007/s12015-020-09985-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The Primary Scarring Alopecias are characterised by the irreversible destruction and fibrosis of hair follicles, leading to permanent and often disfiguring loss of hair. The pathophysiology of these diseases is not well understood. However, follicular-fibrosis and loss of the stem-cell niche appears to be a common theme. This review explores the pathogenesis of primary scarring alopecias, asking what happens to the stem cells of the hair follicle and how they may contribute to the progression of these diseases. Bulge-resident cells are lost (leading to loss of capacity for hair growth) from the follicle either by inflammatory-mediate apoptosis or through epigenetic reprogramming to assume a mesenchymal-like identity. What proportion of bulge cells is lost to which process is unknown and probably differs depending on the individual PCA and its specific inflammatory cell infiltrate. The formation of fibroblast-like cells from follicular stem cells may also mean that the cells of the bulge have a direct role in the pathogenesis. The identification of specific cells involved in the pathogenesis of these diseases could provide unique diagnostic and therapeutic opportunities to prevent disease progression by preventing EMT and specific pro-fibrotic signals.
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Affiliation(s)
- Richard P Halley-Stott
- Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town, South Africa.
| | - Henry A Adeola
- Hair and Skin Research Laboratory, Groote Schuur Hospital, Cape Town, South Africa
| | - Nonhlanhla P Khumalo
- Hair and Skin Research Laboratory, Groote Schuur Hospital, Cape Town, South Africa
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Khurana N, Gajbhiye A. Ameliorative effect of Sida cordifolia in rotenone induced oxidative stress model of Parkinson's disease. Neurotoxicology 2013; 39:57-64. [PMID: 23994302 DOI: 10.1016/j.neuro.2013.08.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 08/05/2013] [Accepted: 08/05/2013] [Indexed: 12/21/2022]
Abstract
Present study focused on the evaluation of aqueous extract of Sida cordifolia (AESC), and its different fractions; hexane (HFSC), chloroform (CFSC) and aqueous (AFSC), against rotenone induced biochemical, neurochemical, histopathological and behavioral alterations in a rat model of Parkinson's disease (PD). An estimation of the level of thiobarbituric acid reactive substances (TBARS), glutathione (GSH) and catalase (CAT) along with superoxide anion generation (SAG) in different brain regions (cortex, midbrain and cerebellum) was carried out to assess biochemical changes. Behavioral evaluation tests (catalepsy, rearing behavior and posture instability) and neurochemical estimations (norepinephrine, dopamine and serotonin level) along with histopathological evaluations of different brain regions were also performed. The varying doses (50, 100, 250mg/kg; p.o.) of different test treatments (AESC, HFSC, CFSC and AFSC) were co-administered along with rotenone (2mg/kg; s.c.), for a period of 35 days to rats of various groups and compared with rotenone per se (negative control) and l-deprenyl (positive control; 10mg/kg; p.o.) treated groups for the above mentioned parameters. The increase in catalepsy and posture instability along with decrease in rearing behavior observed due to rotenone treatment was significantly attenuated by co-treatment with varying doses of AESC and AFSC. Results of the histopathological studies of different brain regions of rats showed eosinophilic lesions in the mid brain region due to rotenone treatment. The eosinophilic lesions were significantly attenuated in co-treated groups of AESC-100mg/kg and AFSC-100mg/kg. Rotenone induced oxidative damage, revealed by increased level of TBARS, SAG and decreased level of GSH and CAT in mid brain region of rats, was attenuated by the co-treatment of AESC and AFSC. The rotenone induced decrease of dopamine level in the midbrain region of rats was also attenuated by co-treatment of AESC-100mg/kg and AFSC-100mg/kg. The maximum effect in all the above activities was observed in AFSC (100mg/kg) treated group, which was comparable to l-deprenyl treated group. The HFSC and CFSC co-treatment failed to show significant attenuation of rotenone induced damage. These results indicate the possible therapeutic potential of most polar fraction of AESC i.e. AFSC in PD by virtue of its antioxidative actions.
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Affiliation(s)
- Navneet Khurana
- Department of Pharmaceutical Sciences, Dr. Hari Singh Gour Central University, Sagar 470003, Madhya Pradesh, India
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